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- PDB-3me6: Crystal structure of cytochrome 2B4 in complex with the anti-plat... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3me6 | ||||||
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Title | Crystal structure of cytochrome 2B4 in complex with the anti-platelet drug clopidogrel | ||||||
![]() | Cytochrome P450 2B4 | ||||||
![]() | OXIDOREDUCTASE / P450 / cytochrome P450 2B4 / monooxygenase / membrane protein / CYP 2B4 / CYP LM2 | ||||||
Function / homology | ![]() arachidonic acid epoxygenase activity / epoxygenase P450 pathway / unspecific monooxygenase / aromatase activity / xenobiotic metabolic process / iron ion binding / heme binding / endoplasmic reticulum membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | Gay, S.C. / Roberts, A.G. / Maekawa, K. / Talakad, J.C. / Hong, W.X. / Zhang, Q. / Stout, C.D. / Halpert, J.R. | ||||||
![]() | ![]() Title: Structures of cytochrome P450 2B4 complexed with the antiplatelet drugs ticlopidine and clopidogrel. Authors: Gay, S.C. / Roberts, A.G. / Maekawa, K. / Talakad, J.C. / Hong, W.X. / Zhang, Q. / Stout, C.D. / Halpert, J.R. #1: ![]() Title: Structure of microsomal cytochrome P450 2B4 complexed with the antifungal drug bifonazole: insight into P450 conformational plasticity and membrane interaction. Authors: Zhao, Y. / White, M.A. / Muralidhara, B.K. / Sun, L. / Halpert, J.R. / Stout, C.D. #2: ![]() Title: Structure of mammalian cytochrome P450 2B4 complexed with 4-(4-chlorophenyl)imidazole at 1.9 {angstrom} resolution: Insight into the range of P450 conformations and coordination of redox partner binding. Authors: Scott, E.E. / White, M.A. / He, Y.A. / Johnson, E.F. / Stout, C.D. / Halpert, J.R. #3: ![]() Title: An open conformation of mammalian cytochrome P450 2B4 at 1.6 A resolution. Authors: Scott, E.E. / He, Y.A. / Wester, M.R. / White, M.A. / Chin, C.C. / Halpert, J.R. / Johnson, E.F. / Stout, C.D. #4: ![]() Title: Structural and thermodynamic consequences of 1-(4-chlorophenyl)imidazole binding to cytochrome P450 2B4. Authors: Zhao, Y. / Sun, L. / Muralidhara, B.K. / White, M.A. / Stout, C.D. / Halpert, J.R. #5: ![]() Title: Crystal Structures of Cytochrome P450 2B4 in Complex with the Inhibitor 1-Biphenyl-4-methyl-1H-imidazole: Ligand-Induced Structural Response through Alpha-Helical Repositioning Authors: Gay, S.C. / Sun, L. / Maekawa, K. / Halpert, J.R. / Stout, C.D. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 381.2 KB | Display | ![]() |
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PDB format | ![]() | 312.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 2.8 MB | Display | ![]() |
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Full document | ![]() | 2.9 MB | Display | |
Data in XML | ![]() | 75.4 KB | Display | |
Data in CIF | ![]() | 97.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3kw4C ![]() 1suoS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: GLY / Beg label comp-ID: GLY / End auth comp-ID: HIS / End label comp-ID: HIS / Refine code: 6 / Auth seq-ID: 28 - 492 / Label seq-ID: 9 - 473
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Components
#1: Protein | Mass: 54169.082 Da / Num. of mol.: 4 Mutation: E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, H226Y Source method: isolated from a genetically manipulated source Details: Deleted residues 3-21, E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, 4x Cterm His tag Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | ChemComp-HEM / #3: Chemical | ChemComp-CGE / #4: Water | ChemComp-HOH / | Sequence details | AUTHORS INDICATE THAT THERE IS AN ERROR IN THE SEQUENCE DATABASE REFERENCE AT RESIDUE 221 | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.2 Å3/Da / Density % sol: 70.71 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 4.2 Details: 20% (w/v) PEG 8000, 0.2 M NaCl and 0.1 M phosphate-citrate, pH 4.2, vapor diffusion, sitting drop, temperature 291K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Nov 7, 2009 |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 |
Reflection | Resolution: 3.1→76.755 Å / Num. all: 62529 / Num. obs: 62529 / % possible obs: 97.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4 % / Rmerge(I) obs: 0.13 / Rsym value: 0.13 / Net I/σ(I): 4.7 |
Reflection shell | Resolution: 3.1→3.18 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.432 / Mean I/σ(I) obs: 3.5 / Num. unique all: 9259 / Rsym value: 0.432 / % possible all: 98.6 |
-Phasing
Phasing | Method: ![]() | |||||||||
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Phasing MR | Rfactor: 33.25 / Model details: Phaser MODE: MR_AUTO
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1SUO Resolution: 3.1→76.75 Å / Cor.coef. Fo:Fc: 0.933 / Cor.coef. Fo:Fc free: 0.885 / WRfactor Rfree: 0.237 / WRfactor Rwork: 0.181 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.857 / SU B: 14.228 / SU ML: 0.258 / SU Rfree: 0.378 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.378 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES: REFINED INDIVIDUALLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 111.96 Å2 / Biso mean: 42.197 Å2 / Biso min: 2 Å2
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Refinement step | Cycle: LAST / Resolution: 3.1→76.75 Å
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Refine LS restraints |
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Refine LS restraints NCS | Ens-ID: 1 / Number: 3718 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 3.1→3.181 Å / Total num. of bins used: 20
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